Ratios and Fractions


Ratios and Fractions

Ratios can be expressed as Fractions.

Fractions can be expressed as Ratios.





Changing a Ratio to a Fraction

To change a Ratio to a Fraction, simply use the first number as the Numerator and the second number as the Denominator.



3 : 4

is the same as
3
4


5 : 9

is the same as
5
9





Remember to reduce the Fraction whenever possible.



3 : 9

is the same as
3
9

3
9
=
1
3


3 : 9

is the same as
1
3




Changing a Fraction to a Ratio

To change a Fraction to a Ratio, simply use the Numerator as the first number and the Denominator as the second number.


2
7

is the same as

2 : 7

5
8

is the same as

5 : 8





Remember to reduce the Fraction whenever possible.



3 : 9

is the same as
3
9

3
9
=
1
3


3 : 9

is the same as
1
3

But DO NOT change any Improper Fraction to a Mixed Number.



8 : 6

is the same as
8
6

8
6
=
4
3


8 : 6

is the same as
4
3




RULE

Changing a Fraction to a Ratio


To change a Fraction to a Ration, simply use the Numerator as the first number and the Denominator as the second number.

To change a Ratio to a Fraction, the first number becomes the Numerator and the second number becomes the Denominator.

If a Fraction can be reduced, then do so.

DO NOT change any Improper Fraction to a Mixed Number.